Calcul Mental
24/02/2026
MiCetF
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11 s.
Ajouter ou retrancher un nombre du type 10, 200...
0 s.
17 + 600 =
591 + 20 =
265 - 200 =
315 - 20 =
227 + 50 =
29 + 50 =
113 + 50 =
4 + 200 =
56 + 80 =
112 + 10 =
534 + 40 =
66 + 700 =
739 + 100 =
287 + 10 =
56 - 40 =
532 + 40 =
154 + 10 =
78 + 10 =
276 + 70 =
615 - 20 =
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